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88831141 = 716775989
BaseRepresentation
bin1010100101101…
…11010010100101
320012011002102021
411102313102211
5140220044031
612451543141
72126023630
oct522672245
9205132367
1088831141
1146163173
12258baab1
1315532c09
14bb24c17
157bea511
hex54b74a5

88831141 has 8 divisors (see below), whose sum is σ = 102130560. Its totient is φ = 75684048.

The previous prime is 88831139. The next prime is 88831177. The reversal of 88831141 is 14113888.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 88831141 - 21 = 88831139 is a prime.

It is a super-2 number, since 2×888311412 = 15781943222723762, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 88831097 and 88831106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88831111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36826 + ... + 39163.

It is an arithmetic number, because the mean of its divisors is an integer number (12766320).

Almost surely, 288831141 is an apocalyptic number.

It is an amenable number.

88831141 is a deficient number, since it is larger than the sum of its proper divisors (13299419).

88831141 is a wasteful number, since it uses less digits than its factorization.

88831141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76163.

The product of its digits is 6144, while the sum is 34.

The square root of 88831141 is about 9425.0273739656. The cubic root of 88831141 is about 446.1919666024.

The spelling of 88831141 in words is "eighty-eight million, eight hundred thirty-one thousand, one hundred forty-one".

Divisors: 1 7 167 1169 75989 531923 12690163 88831141